moved #![feature(inner_deref) to from libcore crate to libcore tests crate to enable related tests

Author: Xandkeeper

src/libcore/lib.rs

@@ -103,7 +103,6 @@
 #![feature(untagged_unions)]
 #![feature(unwind_attributes)]
 #![feature(doc_alias)]
-#![feature(inner_deref)]
 
 #![cfg_attr(not(stage0), feature(mmx_target_feature))]
 #![cfg_attr(not(stage0), feature(tbm_target_feature))]

src/libcore/tests/lib.rs

@@ -46,6 +46,7 @@
 #![feature(reverse_bits)]
 #![feature(inclusive_range_fields)]
 #![feature(iterator_find_map)]
+#![feature(inner_deref)]
 
 extern crate core;
 extern crate test;